:''This article is about the British zoologist Francis Day.''
:''For the American artist of the same name, see
Francis Day (artist).''
:''For the British actress, please note the different spelling of
Frances Day.''
Sir 'Francis Day' (1829-1889) was Inspector-General of Fisheries in
India and
Burma and an
ichthyologist. Started as a medical officer in the
Madras Presidency, East India Company with a hobby interest in fishes. He wrote a
monograph on
fishes between 1875-1878 "The Fishes of India" with a supplement in 1888 and two volumes on "Fishes" in the
Fauna of British India series in which he described over 1400 species.

Cover page
References
★ Whitehead, P.J.P. & P.K. Talwar, 1976. Francis Day (1829-1889) and his collections of Indian Fishes. Bulletin of the British Museum (Natural History), Historical Series 5(1): 1-189, pls. 1-4.
External links
★ http://www.amonline.net.au/collections/ichthyology/day.htm
★ Day, Francis (1889) Fauna of British India. Fishes. Volume 1.
Online
★ Day, Francis (1889) Fauna of British India. Fishes. Volume 2.
Online